Sound recording and reproducing apparatus



Aug. 20, 1935. H. KUB@ 2,012,133

SOUND RECORDING AND RELDRODUCING APPARATUS Filed Aug. 22, 1955 2 Sheets-Sheet 1 Aug. 2o, 1935. H. KUB@ 2,012,133

SOUND RECORDING AND REPRODUGING APPARATUS Filed Aug. 22, 1933 2 Sheets-Sheet 2 INVENTOR. //sna/ Kuo A TTORN S.

Patented Aug'.y 20,

ED STA-Tislf.' l i.

* Theprescnt invention relates to improvements fina'Isoundrecording and reproducing apparatus, fwhich"consistsinitting loosely a shaftfixed to 'they-horizontal toothedwheel which turns with 5 the rotationof a! 'recording'discto the'base of a c an'd'easylto handle.'V Y f Referring to the accompanying draw-ings whichr` showan embodiment of the apparatus according Vsound tube or oscillating arm having a mechanical Vor electrical vibrator and also jproviding at said f bas'e' ciamping screw threugh'which to connect the'shaft'and base or'release them fromeach other? Theobjectthereof is to obtain an improved apparatus for both recording and 'repro fducin'g sound which is 4simple inthe yconstruction to this invention, v n f Fig.' l isV the longitudinal section of a mechani- 'cal-sound 'recording and reproducing apparatusY f "using a'sound tube;'

f--f"Fig.`2, the longitudinal section-of an electrical sound recording and reproducing apparatus usingv ing arm and.

hei-plan of the end of the oscillating graph casing,A illustrating the means connecting thefdriyen shaft 'with the disc platen.

In the drawingsV the samevrefelrence'numbers Y Y l with thepresent apparatus, firstly theclampi'n'g.

denote the same or corresponding parts.`

' Io explainlthelmode of performing this invenl tion with reference to the annexed drawings-E is a suitable iixed partior example, a supportingl l base fixed to the casingof a talking machine; and

2, `an intermediate member inserted detachably c insaid supporting base andhaving its upper part screwed to a toothed wheel casing 3. 4 is ahorizontal Wormrwheel enclosed in said toothedwheel casing; and E, a worm meshing therewith, `The"r Worm 6 is fixed on the vshaft 5 whereon is alsov fixed of the disc carrying platen gcommon in such machines.` The Vsupporting shaft .28` fora disc platen 25 with a blank record thereon and a driven jection 30 Vof the shaft 23, andr said shaft 25 is t QFFICE VV.2,012,133 n SOUND' RECORDING ANDREPnonUorNG. V Arraaa'rus i. v v Hisaji Kubo, Shiba-Ku, Tokyopapan I Application Augustsz, i933, serial Ne. 586,291 "i claimsflcrzwi-isy' 't "further connected` to the flexible arm l bylinerins` Vvof the connectingz cap 3i ofthezlatten. A'this-a etail section on'vthe lineV Alf- Afef a Worm wheel 22. With the wheel 2?. meshes a worm v23 fixed on a shaftZIt'which forms an extensionof a flexible shaft 'i'` driven (by means not shown) from the platen supporting shaft 26` soundftube; and 9, a rotatableV main bodyhaying said. sound tube inserted in its side.l "This mainl n 'body 'is provided with a'sound passage-.l0 and'alsc f .has aaconnecting tube l i inserted in its`u`pper end.

The main. bodyn 9 vis alsopierc'ed -withia holelZ at its lower part to receiyc" the' shaft' |,3fscrewedito said horizontal Worm Wheel, which shaftsupp'orts the main body such ra `manner :that: the latter maintains a'little'space .i 4' onfthe horizontal "worin Yagainst the 'shaft I3 the mainbody andItheshaft vvrareiixed, sothat the rotationlof the'v horizontal Worm" wheel isA transmitted( to "the l main body..

The soundztube gradually turns .aboutrthe axis 'ff K the Wheel` With'the-rotation of said-Wheel:andy v :also the yc'or'inection of the shaft and the-main vbedr." may-be brokenby. loosening the'clamping A* t screw, thus enabling the mainbodyand accord--V ingly the sound tube to Vturn freelyiindependently main body. `8k isa horn insertedinthe before.- mentioned connecting tube. v:if rljiextytoexplain'the manner of recordingfsound Y table with a recording dischthereon is connected by means of thergiirexible shaft 'I with theA worm of the rotationnof the horizontal Wheel.".zliiisaA .supporter iixedito, thertoothed Wheel casing with itsupper endor horizontal part formingan'annui jlar portion -lo'oselyftted' tov 'the .upper .end of :the

shaft ZLwhich meshes with' the worm `wheel 22 Y Vfor rotating Athe Worm 5. AThn'en,rv the soundtube' Twill gradually turn inwardly ofthe recording discl y with .the rotation of they turntable and. -conse- 10i quentlythe sound entering fromvthe horn I8 is transmitted to the sound tube and the mechaniby a groove cutter 'attached to said Vibrator.

To reprodu'cesound with this apparatus, kthev clamping screw i5 `is loosened andsa'id flexible Vshaft Y'i-is detached, after which the vgroove cutter c is replaced hy a sound needle and sound is repro- Y' v duced according to the same principle. as 1the A K Y Y New! `with regardto the electrical soundgrecommon vtalking machine.

- cal Vibrator at its end and isrecorded on the disc cording andV reproducing apparatusV shown -in Y Figures 2 andB, they oscillating armfl having a fy t pickup` 2&3 at the end is attached to thefmain body.'

l which is supported between the shaft 3 and'f the-f bent end of the supporter I6. 2l is a leading wire.

As explained above, this apparatus has such simple construction that it `may be used easily as either a sound recording or sound reproducing apparatus by merely tightening or loosening the clamping screw, so the sound recordedcan be reproduced directly from the disc and accordingly it is very convenient to use. i

I claim:--' I 1. In asound tube support for disc type sound recording and reproducing machines having a driven shaft actuating the disc platen, a xed base, a shaft revolubly supported on saidbase, means to operatively connect said last shaftwith said driven shaft, a sound tube support revolubly mounted on the base supported shaft, and a set screw extending through-a side of said support to engage the shaft Whereon said support is mounted.

2. In a sound recording and reproducing machine of the disc type, a base, a member xed to said base, a vertical 'shaft revolubly mounted in said member, a body having a sound vpassage therethrough revolubly mounted on the upper ,end of said shaft, said body having a tone arm projecting laterally from one end of said sound passage and xed to the body to rotate therewith, means to drive said shaft, and means to connect the body detachably to the shaft.

3. In Va sound recording `and reproducing ma- ,chine of the disc type, a base, a member fixed to said base, a vertical shaft revolubly mounted in Said member, a body having a sound passagev therethrough revolubly mounted on the upper end of vsaid, shaft, said body having a tone arm .projecting laterallyfrom one end Aof said sound passage andxed to the body to rotate therewith, a Worm wheel xed on said shaft between the body and base and housed in said base, a worm revolubly supported in said base and mesh- `ing with the Worm Wheel, means to drive said i end of said shaft, said body having a tone arm` projecting laterally from one end of saidVv sound passage andxed to the body to rotate therewith, means to drive said shaft, means to connect the'body detachably tothe shaft, and means carried by said base and having at its upper end a bearing revolubly supporting the upper end of said body.

5. In a sound recording and reproducing machine of the disc type, a base, a member fixed on `said base, a vertical shaft revolubly mounted in said member, a body having a sound passage therethrough revo-lubly mounted on the upper end Yoi? said shaft, said body having atone arm projecting laterally from one end of said sound passage and Vfixed to the body to `rotate therewith, a Worm wheel fixed on said shaft between the body and base and housed in said base, a Worm revolubly supported in said base and meshing withr the Worm Wheel, means to drive said Worm, means to connect the body detachably to the support, and means carried by said base and having at its upper end a bearing revolubly supporting the upper end of said body.

6. In a sound recording and reproducing machine of the disc'type, a base, a member fixed to said base, aiverftical shaft revolubly mounted in said member, a body having a sound passage therethroughv revolubly mounted on the upper end of said shaft, said body having a tone arm projecting laterally from one end of said sound passage and fixed to the body to rotate therewith, means to drive said shaft, means to connect the body detachably to the shaft, means carried by said'base and having atits upper end a bearing revolubly supporting the upperend of said body, and a horn revolubly supported on the last mentioned means and opening rinto said sound projecting laterally from-one end of said sound passage and xed to the body to rotatetherewith,y a worm Wheel xed on said shaft 'between the body and base and housed in said base, a Worm revolubly supported in said base and meshing with the worm wheel, means to` drive said worm',means to connect lthe body detachably to Y the support, means carried by said base and hav- HISAJI KUBO. 

